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  1. or download this
    server# perl perl.cgi
    Backslash found where operator expected at perl.cgi line 3, near "thaw
    + \"
            (Do you need to predeclare thaw?)
    ...
    Can't modify subtraction (-) in scalar assignment at perl.cgi line 3, 
    +near "freeze,"
    syntax error at perl.cgi line 3, near "thaw \"
    Execution of perl.cgi aborted due to compilation errors.
    
  2. or download this
    server# perl perl.pl
    Can't call method "column" on an undefined value at perl.pl line 5.